[OM] Re: CD / DVD storage medium

[James King]

John Hermanson wrote:
> Home recorded silver (aluminum) cd's and dvd's have been shown to be 
> unreadable in as little as 2 years.  Gold cd's and dvd's use gold for 
> the reflective layer which does not oxidize.
> 

As far as I know the metal is there to relfect the laser and the dye 
layer blocks the laser. I therefore would assume that the stability of 
the dye layer would also be important.
James

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